Electro-Harmonix

Electro-Harmonix Pitch Fork

The Pitch Fork transposes an instrument’s pitch over a +/- three-octave range and features three modes which allow the pitch to be transposed up, down or both, simultaneously. The pitch shift amount can be set to a fixed interval or continuously varied by an expression pedal or control voltage.

The controls are straightforward and intuitive. An 11-position Shift switch selects the maximum transposition interval ranging from D (Detune), a shift of 17 cents, through Minor 2nd, Major 2nd, Major 3rd, Perfect 4th, Perfect 5th, Major 6th, Minor 7th, 1 Octave, 2 Octaves and 3 Octaves. A three position toggle switch controls whether the pitch is transposed up, down or both. In Dual mode, two pitch-shifted signals are output. One follows the shift knob as if in the Up position while the other creates a harmony.

A Blend knob controls the mix of the dry signal and the effected signal, and an EXP jack enables the player to control pitch and glissando with an expression pedal.

The Latch button selects Latch or Momentary mode which affects how the footswitch and EXP input behave.

Latch and Momentary modes affect how the footswitch and EXP input behave

Blend Knob - mixes between the untreated, analog dry signal and the effected signal. At BLEND’s full clockwise position, the output is 100% wet.Shift Knob - selects the maximum interval of chromatic transposition. The chart below shows how the pitch will be shifted relative to the original pitch.

Mode Toggle Switch - selects whether the pitch is shifted up, down or both simultaneously relative to the root. Dual mode outputs two pitch-shifted signals. One of the shifted signals follows the SHIFT knob as if in UP mode. The other shifted signal creates a musically useful harmony according to the Shift knob setting.

Latch Button - selects Latch or Momentary mode. This affects how the footswitch and EXP jack input behave. When the LATCH button is down, Latch mode is enabled. The footswitch toggles between effect and bypass each time you press and release the footswitch; the EXP input continuously varies the pitch. When the LATCH button is in the up position, Momentary mode is selected. The effect is only on while the footswitch is held down, otherwise, the Pitch Fork is bypassed; the EXP input varies the glissando rate of the momentary footswitch.

Latch Mode - the Expression/CV input controls pitch shift amount, ranging from unity, or no pitch shift, in the heel position to the interval set by the SHIFT knob for the toe position. Pitch varies continuously from heel to toe in all settings.

Momentary Mode - the Expression/CV input controls glissando rate for the Pitch Fork’s footswitch. When the bypass footswitch is pressed, the Pitch Fork jumps from bypass to the pitch shift interval set by the SHIFT knob. The amount of time it takes to reach the SHIFT knob’s interval setting is the glissando rate. When the footswitch is released, pitch will return to unity by the same rate. When your expression pedal is heel-down the rate is 4ms, in toe-down the rate is 2sec. When no device is plugged into the EXP input the default glissando rate is 60ms.

Notes

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WARNING: This product can expose you to chemicals including, nickel which is known to the State of California to cause cancer, and vinyl chloride which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov